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The Technology Study on Side Tumbling Energy Absorption System of Railway Transportation for Solid Rocket Launch Vehicles
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Jianshuai SHAO1, Shuguang YAO2, Pinglu LIANG3, Lingxiang KONG2
Missiles and Space Vehicles | 2024, 47(3) : 65 - 92
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Missiles and Space Vehicles | 2024, 47(3): 65-92
• Launch Support •
The Technology Study on Side Tumbling Energy Absorption System of Railway Transportation for Solid Rocket Launch Vehicles
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Jianshuai SHAO1, Shuguang YAO2, Pinglu LIANG3, Lingxiang KONG2
Affiliations
  • 1Beijing Institute of Space Launch Technology,Beijing,100076
  • 2College of Traffic & Transportation Engineering,Central South University,Changsha,410075
  • 3The 96921 Army of the People's Liberation Army,Beijing,100015
Published: 2024-06-25 doi: 10.7654/j.issn.2097-1974.20240310
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The safety of solid rocket launch vehicles under the abnormal side tumbling condition in the process of railway transportation is studied. Based on investigation and analysis of various vibration absorption schemes, the technical scheme of energy absorption system with the combination of cushion airbag and honeycomb is put forward. The side-rolling simulation analysis is carried out using Hypermesh and LS-DYNA software. The results show that the acceleration of the rocket's side-rolling down decreases from 27g to 8.91g, and the contact collision force between the launcher and the carriage decreases from 382.59kN to non-contact by using the above technical scheme. Meanwhile, it can obviously improve the safety of solid rocket launch vehicles under abnormal conditions such as railway transport rollover. Finally, it provides important guidance for the design of special solid rocket launch vehicles.

solid launch vehicle  /  side tumbling process  /  vibration absorption system  /  simulation analysis  /  collision
Jianshuai SHAO, Shuguang YAO, Pinglu LIANG, Lingxiang KONG. The Technology Study on Side Tumbling Energy Absorption System of Railway Transportation for Solid Rocket Launch Vehicles[J]. Missiles and Space Vehicles, 2024 , 47 (3) : 65 -92 . DOI: 10.7654/j.issn.2097-1974.20240310
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Year 2024 volume 47 Issue 3
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Article Info
doi: 10.7654/j.issn.2097-1974.20240310
  • Receive Date：2022-02-27
  • Online Date：2025-07-04
  • Published：2024-06-25
Article Data
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History
  • Received：2022-02-27
  • Revised：2023-11-21
Affiliations
    1Beijing Institute of Space Launch Technology,Beijing,100076
    2College of Traffic & Transportation Engineering,Central South University,Changsha,410075
    3The 96921 Army of the People's Liberation Army,Beijing,100015
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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